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US2798975A
Expired / Lapsed
US
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Conductor-ventilated generators
Assignee: Westinghouse Electric Corp
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Filing: 1954-11-23
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Granted: 1957-07-09
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Expires: 1974-11-23
Abstract
No abstract record available.
Inventors
- 👤 Harry T Akers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:37
CPC Classifications
H; H02; H02K; H02K9/00; H02K3/00; H02K3/04; H02K3/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2573670A
Cited
US2664512A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-08 | 1961-01-07 | 1961-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-08 | 1965-01-07 | 1965-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-08 | 1969-01-07 | 1969-07-09 | $7700.00 | Window Closed / Lapsed |